Improved viscosity modifiers for lubricant compositions

Details for Australian Patent Application No. 2005203438 (hide)

Owner Afton Chemical Corporation

Inventors Strukl, Joseph Stephen; Griffin, Paul G.; Duggal, Akhilesh; Srinivasan, Sanjay; Growcott, Peter; Song, Yoon Soo

Agent Davies Collison Cave

Pub. Number AU-B-2005203438

Priority 10943375 17.09.04 US

Filing date 3 August 2005

Wipo publication date 6 April 2006

Acceptance publication date 30 August 2007

International Classifications

C10M 143/10 (2006.01) Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation

C10M 143/02 (2006.01) Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation

C10M 143/04 (2006.01) Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation

C10N 40/04 (2006.01)

Event Publications

18 August 2005 Complete Application Filed

  Priority application(s): 10943375 17.09.04 US

6 April 2006 Application Open to Public Inspection

  Published as AU-B-2005203438

30 August 2007 Application Accepted

  Published as AU-B-2005203438

3 January 2008 Standard Patent Sealed

3 March 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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